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Paha777 [63]
2 years ago
13

If a number cube is rolled, how many times would we expect to get a number greater than 4 out of 240 trials?

Mathematics
2 answers:
Elanso [62]2 years ago
7 0
89 I think because I took the test
Rus_ich [418]2 years ago
6 0
240 divided by 4 is 60
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After raining for 34 of an hour, a rain gauge is 25 filled. If it continues to rain at that rate for 15 more minutes, what fract
ivann1987 [24]

Answer:

\textbf{Fraction of gauge filled = }\bf\frac{8}{15}

Step-by-step explanation:

This equation does not represent the situation because to find the fraction of the rain gauge we need to : divide the fraction of gauge filled by the raining fraction of an hour

But, Diego wrote the incorrect division equation so, it does not represent the current situation.

Now, to find the required division and multiplication equations :

\frac{3}{4}\text{ fraction of an hour = }\frac{3}{4}\times 60=\text{ 45 minutes}\\\\\text{ Now, the rain continues to rain for 15 minutes more}\\\implies \text{The total raining time = 45 + 15 = 60 minutes}\\\\\text{So, we need to find the fraction of gauge filled in 60 minutes}\\\\\text{Fraction of gauge filled in 45 minute = }\frac{2}{5}\\\\\text{Fraction of gauge filled in 1 minute = }\frac{\frac{2}{5}}{45}=\frac{2}{5\times 45}\\\\\text{Fraction of gauge filled in 60 minutes = }\frac{2}{5\times 45}\times 60=\bf\frac{8}{15}

\text{Division equation = }\frac{\text{fraction of gauge filled}}{\text{raining fraction of an hour}}\\\\\textbf{Division Equation : }\frac{\frac{2}{5}}{\frac{3}{4}}=\frac{2}{5}\times \frac{4}{3}=\frac{8}{15}\\\\\text{Multiplication Equation = Fraction of gauge filled in 1 minute × 60}\\\\\textbf{Multiplicatiuon Equation : }\frac{2}{225}\times 60=\frac{8}{15}

4 0
3 years ago
Math question. I'll give brainliest...
scoundrel [369]
(x^2 + 4)(x^2 - 1) is the answer. Just factor it like a normal binomial.
6 0
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2) Rachel wanted to drink exactly three bottles of water each day, so she bought twenty-six
lesya [120]

Answer:

1

Step-by-step explanation:

Twenty-Six is not a multiple of three so you know it won't be 26. Counting by threes goes 3, 6, 9, 12, 15, 18, 21, 24, 27, 30. Twenty-seven is the closest number to 26 which is higher than 26. Twenty-six + 1 = 27. That means that 1 is the answer.

8 0
2 years ago
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Find the sum of 2 1/9 + (-2/9) + 3 5/9
polet [3.4K]

Answer:

5.444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444

Step-by-step explanation:

4 is infinite

7 0
3 years ago
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write an equation of a line in slope intercept form that passes through the point (-4,1) and has a slope of -3
RSB [31]

Answer:

y+3x+11=0

Step-by-step explanation:

m=-3, x1=-4, y1=1

from m=y-y1/x-x1

-3=y-1/x-(-4)

-3(x+4)=y-1

-3x-12+1=y

y=-3x-11

y+3x+11=0

6 0
3 years ago
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